Re: [PATCH] mmc: atmel-mci: Use common error handling code in atmci_of_init()

[Aubin Constans]

On 05/11/2023 16:50, Markus Elfring wrote:
> Add a jump target so that a bit of exception handling can be better
> reused at the end of this function.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Acked-by: Aubin Constans <aubin.constans@xxxxxxxxxxxxx>

> ---
>   drivers/mmc/host/atmel-mci.c | 18 ++++++++++--------
>   1 file changed, 10 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
> index dba826db739a..1e83119d1dcb 100644
> --- a/drivers/mmc/host/atmel-mci.c
> +++ b/drivers/mmc/host/atmel-mci.c
> @@ -675,10 +675,9 @@ atmci_of_init(struct platform_device *pdev)
>                                                "cd", GPIOD_IN, "cd-gpios");
>                  err = PTR_ERR_OR_ZERO(pdata->slot[slot_id].detect_pin);
>                  if (err) {
> -                       if (err != -ENOENT) {
> -                               of_node_put(cnp);
> -                               return ERR_PTR(err);
> -                       }
> +                       if (err != -ENOENT)
> +                               goto put_node;
> +
>                          pdata->slot[slot_id].detect_pin = NULL;
>                  }
>
> @@ -690,15 +689,18 @@ atmci_of_init(struct platform_device *pdev)
>                                                "wp", GPIOD_IN, "wp-gpios");
>                  err = PTR_ERR_OR_ZERO(pdata->slot[slot_id].wp_pin);
>                  if (err) {
> -                       if (err != -ENOENT) {
> -                               of_node_put(cnp);
> -                               return ERR_PTR(err);
> -                       }
> +                       if (err != -ENOENT)
> +                               goto put_node;
> +
>                          pdata->slot[slot_id].wp_pin = NULL;
>                  }
>          }
>
>          return pdata;
> +
> +put_node:
> +       of_node_put(cnp);
> +       return ERR_PTR(err);
>   }
>   #else /* CONFIG_OF */
>   static inline struct mci_platform_data*
> --
> 2.42.0

Best regards,
Aubin